#!/usr/bin/env python3
# -*- coding=utf-8 -*-
# 题目：计算字符串长度。


def f1():
    s = "sdf fwerf  sdiu7we*-**dsdf;/ff&s__}||{{@~~445sdfdf"
    print(len(s))


f = f1
if __name__ == "__main__":
    f()
